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-Soial media takes risk. But other factors are also important.
- What makes the Internet revolutionary is not just that it makes it easier for activists to communicate with one another, but that it provides them with powerful new tools for informing and persuading their fellow citizens.
-Repressive governments maintain their power by controlling the flow of information to and among their citizens
-Personal communications like letters and phone calls simply didn't reach enough people to constitute a serious threat to the regime
-The Internet is breaking down t between public and personal communication, and in the process it's making the censor's job much more difficult.
-the government might like to downplay, news spreads rapidly via emails, text messages, posts to social networking sites, online video and the like.
-Censoring millions of personal messages in real time is a labor-intensive and clumsy process, which means that the state has a much more limited capacity to lie to their citizens about what is going on.







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Social media promises to be an even more powerful agent for change.But why are they so sure?





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-there was acombination of YouTube and video-enabled mobile phones give almost everyone access to a global audience.
-Repressive governments maintain their power by controlling the flow of information to and among their citizens. This was relatively easy to do in the 20th century because censors could focus on controlling the mass media.